89220288 has 56 divisors (see below), whose sum is σ = 241108992. Its totient is φ = 29104384.

The previous prime is 89220259. The next prime is 89220317. The reversal of 89220288 is 88202298.

It is an interprime number because it is at equal distance from previous prime (89220259) and next prime (89220317).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081 + ... + 13967.

Almost surely, 2^89220288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89220288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120554496).

89220288 is an abundant number, since it is smaller than the sum of its proper divisors (151888704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89220288 is a wasteful number, since it uses less digits than its factorization.

89220288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9949 (or 9939 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 89220288 is about 9445.6491571517. The cubic root of 89220288 is about 446.8425692669.

The spelling of 89220288 in words is "eighty-nine million, two hundred twenty thousand, two hundred eighty-eight".